Bosch IWMH182B 18V EC Brushless 1/2 In. Impact Wrench with Ball Detent (Bare Tool)

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Model: BOSIWMH182B
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The Bosch IWMH182B 18V EC Brushless 1/2 In. Impact Wrench with Ball Detent is a bare-tool kit featuring a tool ideal for pros who spend a great deal of time driving high-torque nuts and anchors. This tool has a spring-loaded hammer-and-anvil system, which delivers great impact endurance. The efficient EC Brushless motor features a long runtime and delivers up to 185 Ft.-Lbs. (2,200 In.-Lbs.) of torque, 0-3,500 bpm and 0-2,400 rpm. This wrench was built with a compact design; it has a 6.4 In. head-length and a weight of just 3.6 Lbs. It has Electronic Motor and Cell Protection to prevent overheating and overloading. It has soft-grip wrapped housing, a slim-grip handle, a belt clip for easy tool storage and an upgraded LED layout. This is a bare-tool kit; the battery and charger are sold separately.

  • 18V EC brushless motor offers longer runtime and 2X life versus conventional motors
  • Power performance delivers 185 Ft.-Lbs. (2,200 In.-Lbs.) of torque, ideal for large lag bolts
  • Quick-change 1/2 In. square drive with ball detent supplies secure socket retention
  • Hammer-and-anvil system engineered for fastening high-torque nuts and anchors
  • Optimized driving mechanism provides 0-3,400 bpm and 0-2,400 no-load rpm
  • Compact design with a 6.4 In. head-length and just 3.6 Lbs., for ease of use
  • Slim-diameter soft-grip handle for great user comfort
  • Electronic Motor and Cell Protection prevents overheating and overloading
  • Strong LED design provides outstanding illumination in work area
  • Rugged belt clip for quick and easy storage


Battery Ampere-hour (Ah)0
Battery CompositionLithium-Ion (Li-ion)
Battery Voltage18
Case IncludedNo
Charge Time (hrs)0
Charger IncludedNo
Color / FinishBlue
Cordless / CordedCordless
CSA CertifiedYes
ETL ListedNo
Forward / Reverse Rocker SwitchYes
Impact Wrench Drive Size1/2 In.
Impacts per Minute3500
Length (in)6.4
Manufacturer WarrantyLimited 1 Year
MaterialHigh Density Plastic
Maximum RPM2400
Maximum Torque (ft-lbs)15.3
Net Tool Weight (lbs)3.6
Number of Batteries Included0
Number of Batteries Required1
Powered Tool Power SourceElectric - Cordless
UL ListedYes
Variable SpeedYes


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